Bugsy the cockroach has had a rough day when his tree was invaded by evil parasitic shadow monsters. To make things worse, a lizardman from underground kidnapped his friend Mayo, believing her sacrifice is the only thing that will stop them! The only thing to do now is grab a hammer and start smashing things until answers start to reveal themselves. Explore vast underground ruins, power yourself up to ridiculous heights, and solve the mystery of where the shadow monsters are coming from in Insect Adventure.